By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
Answer:
A hammerhead shark that gave birth in a Nebraska aquarium reproduced without mating, a genetic analysis shows. This form of asexual reproduction, called parthenogenesis, has been found in other vertebrate species, including some snakes and lizards. But this is the first time it has been documented in a shark.
Answer:
C. It’s impossible because think about it we don’t have good/ great enough data to explain or prove which is older
Explanation:
Answer:
Decomposers
Explanation:
They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers.
